/*
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 2, or (at your option)
 * any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
 * 02111-1307, USA.
 *
 * http://www.gnu.org/copyleft/gpl.html
 */
package com.l2dot.gameserver.ai;

import static com.l2dot.gameserver.ai.CtrlIntention.AI_INTENTION_ACTIVE;
import static com.l2dot.gameserver.ai.CtrlIntention.AI_INTENTION_ATTACK;
import static com.l2dot.gameserver.ai.CtrlIntention.AI_INTENTION_IDLE;

import java.util.concurrent.Future;

import com.l2dot.Config;
import com.l2dot.gameserver.GameTimeController;
import com.l2dot.gameserver.GeoData;
import com.l2dot.gameserver.Territory;
import com.l2dot.gameserver.ThreadPoolManager;
import com.l2dot.gameserver.instancemanager.DimensionalRiftManager;
import com.l2dot.gameserver.model.L2Attackable;
import com.l2dot.gameserver.model.L2CharPosition;
import com.l2dot.gameserver.model.L2Character;
import com.l2dot.gameserver.model.L2Effect;
import com.l2dot.gameserver.model.L2Object;
import com.l2dot.gameserver.model.L2Skill;
import com.l2dot.gameserver.model.L2Summon;
import com.l2dot.gameserver.model.actor.instance.L2BossInstance;
import com.l2dot.gameserver.model.actor.instance.L2DoorInstance;
import com.l2dot.gameserver.model.actor.instance.L2FestivalMonsterInstance;
import com.l2dot.gameserver.model.actor.instance.L2FolkInstance;
import com.l2dot.gameserver.model.actor.instance.L2FriendlyMobInstance;
import com.l2dot.gameserver.model.actor.instance.L2GuardInstance;
import com.l2dot.gameserver.model.actor.instance.L2MinionInstance;
import com.l2dot.gameserver.model.actor.instance.L2MonsterInstance;
import com.l2dot.gameserver.model.actor.instance.L2NpcInstance;
import com.l2dot.gameserver.model.actor.instance.L2PcInstance;
import com.l2dot.gameserver.model.actor.instance.L2PenaltyMonsterInstance;
import com.l2dot.gameserver.model.actor.instance.L2RaidBossInstance;
import com.l2dot.gameserver.model.actor.instance.L2RiftInvaderInstance;
import com.l2dot.gameserver.templates.L2Weapon;
import com.l2dot.gameserver.templates.L2WeaponType;
import com.l2dot.util.Rnd;





/**
 * This class manages AI of L2Attackable.<BR><BR>
 *
 */
public class L2AttackableAI extends L2CharacterAI implements Runnable
{

    //protected static final Logger _log = Logger.getLogger(L2AttackableAI.class.getName());

    private static final int RANDOM_WALK_RATE = 30; // confirmed
    // private static final int MAX_DRIFT_RANGE = 300;
    private static final int MAX_ATTACK_TIMEOUT = 300; // int ticks, i.e. 30 seconds

    /** The L2Attackable AI task executed every 1s (call onEvtThink method)*/
    private Future<?> _aiTask;

    /** The delay after wich the attacked is stopped */
    private int _attackTimeout;

    /** The L2Attackable aggro counter */
    private int _globalAggro;

    /** The flag used to indicate that a thinking action is in progress */
    private boolean _thinking; // to prevent recursive thinking

    /**
     * Constructor of L2AttackableAI.<BR><BR>
     *
     * @param accessor The AI accessor of the L2Character
     *
     */
    public L2AttackableAI(L2Character.AIAccessor accessor)
    {
        super(accessor);

        _attackTimeout = Integer.MAX_VALUE;
        _globalAggro = -10; // 10 seconds timeout of ATTACK after respawn
    }

    public void run()
    {
        // Launch actions corresponding to the Event Think
        onEvtThink();

    }

    /**
     * Return True if the target is autoattackable (depends on the actor type).<BR><BR>
     *
     * <B><U> Actor is a L2GuardInstance</U> :</B><BR><BR>
     * <li>The target isn't a Folk or a Door</li>
     * <li>The target isn't dead, isn't invulnerable, isn't in silent moving mode AND too far (>100)</li>
     * <li>The target is in the actor Aggro range and is at the same height</li>
     * <li>The L2PcInstance target has karma (=PK)</li>
     * <li>The L2MonsterInstance target is aggressive</li><BR><BR>
     *
     * <B><U> Actor is a L2SiegeGuardInstance</U> :</B><BR><BR>
     * <li>The target isn't a Folk or a Door</li>
     * <li>The target isn't dead, isn't invulnerable, isn't in silent moving mode AND too far (>100)</li>
     * <li>The target is in the actor Aggro range and is at the same height</li>
     * <li>A siege is in progress</li>
     * <li>The L2PcInstance target isn't a Defender</li><BR><BR>
     *
     * <B><U> Actor is a L2FriendlyMobInstance</U> :</B><BR><BR>
     * <li>The target isn't a Folk, a Door or another L2NpcInstance</li>
     * <li>The target isn't dead, isn't invulnerable, isn't in silent moving mode AND too far (>100)</li>
     * <li>The target is in the actor Aggro range and is at the same height</li>
     * <li>The L2PcInstance target has karma (=PK)</li><BR><BR>
     *
     * <B><U> Actor is a L2MonsterInstance</U> :</B><BR><BR>
     * <li>The target isn't a Folk, a Door or another L2NpcInstance</li>
     * <li>The target isn't dead, isn't invulnerable, isn't in silent moving mode AND too far (>100)</li>
     * <li>The target is in the actor Aggro range and is at the same height</li>
     * <li>The actor is Aggressive</li><BR><BR>
     *
     * @param target The targeted L2Object
     *
     */
    private boolean autoAttackCondition(L2Character target)
    {
        if (target == null || !(_actor instanceof L2Attackable)) return false;
        L2Attackable me = (L2Attackable) _actor;

        // Check if the target isn't invulnerable
        if (target.isInvul())
        {
            // However EffectInvincible requires to check GMs specially
        	if (target instanceof L2PcInstance && ((L2PcInstance)target).isGM())
                return false;
            if (target instanceof L2Summon && ((L2Summon)target).getOwner().isGM())
                return false;
        }

        // Check if the target isn't a Folk or a Door
        if (target instanceof L2FolkInstance || target instanceof L2DoorInstance) return false;

        // Check if the target isn't dead, is in the Aggro range and is at the same height
        if (target.isAlikeDead()
            || !me.isInsideRadius(target, me.getAggroRange(), false, false)
            || Math.abs(_actor.getZ() - target.getZ()) > 300) return false;

        // Check if the target is a L2PcInstance
        if (target instanceof L2PcInstance)
        {
            // Don't take the aggro if the GM has the access level below or equal to GM_DONT_TAKE_AGGRO
            if (((L2PcInstance)target).isGM() && ((L2PcInstance)target).getAccessLevel() <= Config.GM_DONT_TAKE_AGGRO)
                return false;

            // Check if the AI isn't a Raid Boss and the target isn't in silent move mode
            if (!(me instanceof L2RaidBossInstance) && ((L2PcInstance)target).isSilentMoving())
                return false;

            // Check if player is an ally //TODO! [Nemesiss] it should be rather boolean or smth like that
            // Comparing String isnt good idea!
            if (me.getFactionId() == "varka" && ((L2PcInstance)target).isAlliedWithVarka())
                return false;
            if (me.getFactionId() == "ketra" && ((L2PcInstance)target).isAlliedWithKetra())
                return false;
            // check if the target is within the grace period for JUST getting up from fake death
            if (((L2PcInstance)target).isRecentFakeDeath())
                return false;
             
            if (target.isInParty() && target.getParty().isInDimensionalRift())
            {
                byte riftType = target.getParty().getDimensionalRift().getType();
                byte riftRoom = target.getParty().getDimensionalRift().getCurrentRoom();

                if (me instanceof L2RiftInvaderInstance
                        && !DimensionalRiftManager.getInstance().getRoom(riftType, riftRoom).checkIfInZone(me.getX(), me.getY(), me.getZ()))
                    return false;
            }
        }

        // Check if the actor is a L2GuardInstance
        if (_actor instanceof L2GuardInstance)
        {

            // Check if the L2PcInstance target has karma (=PK)
            if (target instanceof L2PcInstance && ((L2PcInstance) target).getKarma() > 0)
                // Los Check
                return GeoData.getInstance().canSeeTarget(me, target);

            //if (target instanceof L2Summon)
            //    return ((L2Summon)target).getKarma() > 0;

            // Check if the L2MonsterInstance target is aggressive
            if (target instanceof L2MonsterInstance)
                return (((L2MonsterInstance) target).isAggressive() && GeoData.getInstance().canSeeTarget(me, target));

            return false;
        }
        else if (_actor instanceof L2FriendlyMobInstance)
        { // the actor is a L2FriendlyMobInstance

            // Check if the target isn't another L2NpcInstance
            if (target instanceof L2NpcInstance) return false;

            // Check if the L2PcInstance target has karma (=PK)
            if (target instanceof L2PcInstance && ((L2PcInstance) target).getKarma() > 0)
                // Los Check
               return GeoData.getInstance().canSeeTarget(me, target);
            else
                return false;
        }
        else
        { //The actor is a L2MonsterInstance

            // Check if the target isn't another L2NpcInstance
            if (target instanceof L2NpcInstance) return false;

            // depending on config, do not allow mobs to attack _new_ players in peacezones,
            // unless they are already following those players from outside the peacezone.
            if (!Config.ALT_MOB_AGRO_IN_PEACEZONE && target.isInsideZone(L2Character.ZONE_PEACE))
                return false;

            // Check if the actor is Aggressive
            return (me.isAggressive() && GeoData.getInstance().canSeeTarget(me, target));
        }
    }
    public void startAITask()
    {
        // If not idle - create an AI task (schedule onEvtThink repeatedly)
        if (_aiTask == null)
        {
            _aiTask = ThreadPoolManager.getInstance().scheduleAiAtFixedRate(this, 1000, 1000);
        }
    }

    public void stopAITask()
    {
        if (_aiTask != null)
        {
            _aiTask.cancel(false);
            _aiTask = null;
        }
    }

    @Override
	protected void onEvtDead()
    {
        stopAITask();
        super.onEvtDead();
    }

    /**
     * Set the Intention of this L2CharacterAI and create an  AI Task executed every 1s (call onEvtThink method) for this L2Attackable.<BR><BR>
     *
     * <FONT COLOR=#FF0000><B> <U>Caution</U> : If actor _knowPlayer isn't EMPTY, AI_INTENTION_IDLE will be change in AI_INTENTION_ACTIVE</B></FONT><BR><BR>
     *
     * @param intention The new Intention to set to the AI
     * @param arg0 The first parameter of the Intention
     * @param arg1 The second parameter of the Intention
     *
     */
    @Override
	synchronized void changeIntention(CtrlIntention intention, Object arg0, Object arg1)
    {
        if (intention == AI_INTENTION_IDLE || intention == AI_INTENTION_ACTIVE)
        {
            // Check if actor is not dead
            if (!_actor.isAlikeDead())
            {
                L2Attackable npc = (L2Attackable) _actor;

                // If its _knownPlayer isn't empty set the Intention to AI_INTENTION_ACTIVE
                if (npc.getKnownList().getKnownPlayers().size() > 0) intention = AI_INTENTION_ACTIVE;
            }

            if (intention == AI_INTENTION_IDLE)
            {
                // Set the Intention of this L2AttackableAI to AI_INTENTION_IDLE
                super.changeIntention(AI_INTENTION_IDLE, null, null);

                // Stop AI task and detach AI from NPC
                if (_aiTask != null)
                {
                    _aiTask.cancel(true);
                    _aiTask = null;
                }

                // Cancel the AI
                _accessor.detachAI();

                return;
            }
        }

        // Set the Intention of this L2AttackableAI to intention
        super.changeIntention(intention, arg0, arg1);

        // If not idle - create an AI task (schedule onEvtThink repeatedly)
        startAITask();
    }

    /**
     * Manage the Attack Intention : Stop current Attack (if necessary), Calculate attack timeout, Start a new Attack and Launch Think Event.<BR><BR>
     *
     * @param target The L2Character to attack
     *
     */
    @Override
	protected void onIntentionAttack(L2Character target)
    {
        // Calculate the attack timeout
        _attackTimeout = MAX_ATTACK_TIMEOUT + GameTimeController.getGameTicks();

        // Manage the Attack Intention : Stop current Attack (if necessary), Start a new Attack and Launch Think Event
        super.onIntentionAttack(target);
    }

    /**
     * Manage AI standard thinks of a L2Attackable (called by onEvtThink).<BR><BR>
     *
     * <B><U> Actions</U> :</B><BR><BR>
     * <li>Update every 1s the _globalAggro counter to come close to 0</li>
     * <li>If the actor is Aggressive and can attack, add all autoAttackable L2Character in its Aggro Range to its _aggroList, chose a target and order to attack it</li>
     * <li>If the actor is a L2GuardInstance that can't attack, order to it to return to its home location</li>
     * <li>If the actor is a L2MonsterInstance that can't attack, order to it to random walk (1/100)</li><BR><BR>
     *
     */
    private void thinkActive()
    {
        L2Attackable npc = (L2Attackable) _actor;

        // Update every 1s the _globalAggro counter to come close to 0
        if (_globalAggro != 0)
        {
            if (_globalAggro < 0) _globalAggro++;
            else _globalAggro--;
        }

        // Add all autoAttackable L2Character in L2Attackable Aggro Range to its _aggroList with 0 damage and 1 hate
        // A L2Attackable isn't aggressive during 10s after its spawn because _globalAggro is set to -10
        if (_globalAggro >= 0)
        {
            // Get all visible objects inside its Aggro Range
            //L2Object[] objects = L2World.getInstance().getVisibleObjects(_actor, ((L2NpcInstance)_actor).getAggroRange());
            // Go through visible objects
            for (L2Object obj : npc.getKnownList().getKnownObjects().values())
            {
                if (obj == null || !(obj instanceof L2Character)) continue;
                L2Character target = (L2Character) obj;

                /*
                 * Check to see if this is a festival mob spawn.
                 * If it is, then check to see if the aggro trigger
                 * is a festival participant...if so, move to attack it.
                 */
                if ((_actor instanceof L2FestivalMonsterInstance) && obj instanceof L2PcInstance)
                {
                    L2PcInstance targetPlayer = (L2PcInstance) obj;

                    if (!(targetPlayer.isFestivalParticipant())) continue;
                }

                // For each L2Character check if the target is autoattackable
                if (autoAttackCondition(target)) // check aggression
                {
                    // Get the hate level of the L2Attackable against this L2Character target contained in _aggroList
                    int hating = npc.getHating(target);

                    // Add the attacker to the L2Attackable _aggroList with 0 damage and 1 hate
                    if (hating == 0) npc.addDamageHate(target, 0, 1);
                }
            }

            // Chose a target from its aggroList
            L2Character hated;
            if (_actor.isConfused()) hated = getAttackTarget(); // Force mobs to attak anybody if confused
            else hated = npc.getMostHated();

            // Order to the L2Attackable to attack the target
            if (hated != null)
            {
                // Get the hate level of the L2Attackable against this L2Character target contained in _aggroList
                int aggro = npc.getHating(hated);

                if (aggro + _globalAggro > 0)
                {
                    // Set the L2Character movement type to run and send Server->Client packet ChangeMoveType to all others L2PcInstance
                    if (!_actor.isRunning()) _actor.setRunning();

                    // Set the AI Intention to AI_INTENTION_ATTACK
                    setIntention(CtrlIntention.AI_INTENTION_ATTACK, hated);
                }

                return;
            }

        }

        // Check if the actor is a L2GuardInstance
        if (_actor instanceof L2GuardInstance)
        {
            // Order to the L2GuardInstance to return to its home location because there's no target to attack
            ((L2GuardInstance) _actor).returnHome();
        }

        // If this is a festival monster, then it remains in the same location.
        if (_actor instanceof L2FestivalMonsterInstance) return;

            	// Check if the mob should not return to spawn point
            	if (!npc.canReturnToSpawnPoint()) return;
                

        
        // Minions following leader
        if (_actor instanceof L2MinionInstance && ((L2MinionInstance)_actor).getLeader() != null)
        {
            int offset;

            if (_actor.isRaid()) offset = 500; // for Raids - need correction
            else offset = 200; // for normal minions - need correction :)

            if(((L2MinionInstance)_actor).getLeader().isRunning())	_actor.setRunning();
            else _actor.setWalking();

            if (_actor.getPlanDistanceSq(((L2MinionInstance)_actor).getLeader()) > offset*offset)
            {
                int x1, y1, z1;
                x1 = ((L2MinionInstance)_actor).getLeader().getX() + Rnd.nextInt( (offset - 30) * 2 ) - ( offset - 30 );
                y1 = ((L2MinionInstance)_actor).getLeader().getY() + Rnd.nextInt( (offset - 30) * 2 ) - ( offset - 30 );
                z1 = ((L2MinionInstance)_actor).getLeader().getZ();
                // Move the actor to Location (x,y,z) server side AND client side by sending Server->Client packet CharMoveToLocation (broadcast)
                moveTo(x1, y1, z1);
                return;
            }
        }
        // Order to the L2MonsterInstance to random walk (1/100)
        else if (npc.getSpawn() != null && Rnd.nextInt(RANDOM_WALK_RATE) == 0)
        {
            int x1, y1, z1;

            // If NPC with random coord in territory
            if (npc.getSpawn().getLocx() == 0 && npc.getSpawn().getLocy() == 0)
            {
                // If NPC with random fixed coord, don't move
                if (Territory.getInstance().getProcMax(npc.getSpawn().getLocation()) > 0) return;

                // Calculate a destination point in the spawn area
                int p[] = Territory.getInstance().getRandomPoint(npc.getSpawn().getLocation());
                x1 = p[0];
                y1 = p[1];
                z1 = p[2];

                // Calculate the distance between the current position of the L2Character and the target (x,y)
                double distance2 = _actor.getPlanDistanceSq(x1, y1);

                if (distance2 > Config.MAX_DRIFT_RANGE * Config.MAX_DRIFT_RANGE)
                {
                    npc.setisReturningToSpawnPoint(true);
                	float delay = (float) Math.sqrt(distance2) / Config.MAX_DRIFT_RANGE;
                    x1 = _actor.getX() + (int) ((x1 - _actor.getX()) / delay);
                    y1 = _actor.getY() + (int) ((y1 - _actor.getY()) / delay);
                }
                else
                	npc.setisReturningToSpawnPoint(false);

            }
            else
            {
                // If NPC with fixed coord
                x1 = npc.getSpawn().getLocx() + Rnd.nextInt(Config.MAX_DRIFT_RANGE * 2)
                    - Config.MAX_DRIFT_RANGE;
                y1 = npc.getSpawn().getLocy() + Rnd.nextInt(Config.MAX_DRIFT_RANGE * 2)
                    - Config.MAX_DRIFT_RANGE;
                z1 = npc.getZ();
            }

                    	// Orfen after teleporting should not return to spawn point
                    	if (npc.getNpcId() == 29014 && npc instanceof L2BossInstance && ((L2BossInstance)npc).getTeleported())
                    		return;
                        

            
            //_log.config("Curent pos ("+getX()+", "+getY()+"), moving to ("+x1+", "+y1+").");
            // Move the actor to Location (x,y,z) server side AND client side by sending Server->Client packet CharMoveToLocation (broadcast)
            moveTo(x1, y1, z1);
        }

        return;

    }

    /**
     * Manage AI attack thinks of a L2Attackable (called by onEvtThink).<BR><BR>
     *
     * <B><U> Actions</U> :</B><BR><BR>
     * <li>Update the attack timeout if actor is running</li>
     * <li>If target is dead or timeout is expired, stop this attack and set the Intention to AI_INTENTION_ACTIVE</li>
     * <li>Call all L2Object of its Faction inside the Faction Range</li>
     * <li>Chose a target and order to attack it with magic skill or physical attack</li><BR><BR>
     *
     * TODO: Manage casting rules to healer mobs (like Ant Nurses)
     *
     */
    private void thinkAttack()
    {
        if (_attackTimeout < GameTimeController.getGameTicks())
        {
            // Check if the actor is running
            if (_actor.isRunning())
            {
                // Set the actor movement type to walk and send Server->Client packet ChangeMoveType to all others L2PcInstance
                _actor.setWalking();

                // Calculate a new attack timeout
                _attackTimeout = MAX_ATTACK_TIMEOUT + GameTimeController.getGameTicks();
            }
        }

        // Check if target is dead or if timeout is expired to stop this attack
        if (getAttackTarget() == null || getAttackTarget().isAlikeDead()
            || _attackTimeout < GameTimeController.getGameTicks())
        {
            // Stop hating this target after the attack timeout or if target is dead
            if (getAttackTarget() != null)
            {
                L2Attackable npc = (L2Attackable) _actor;
                npc.stopHating(getAttackTarget());
            }

            // Set the AI Intention to AI_INTENTION_ACTIVE
            setIntention(AI_INTENTION_ACTIVE);

            _actor.setWalking();
        }
        else
        {
            // Call all L2Object of its Faction inside the Faction Range
            if (((L2NpcInstance) _actor).getFactionId() != null)
            {
                String faction_id = ((L2NpcInstance) _actor).getFactionId();

                // Go through all L2Object that belong to its faction
                for (L2Object obj : _actor.getKnownList().getKnownObjects().values())
                {
                    if (obj instanceof L2NpcInstance)
                    {
                        L2NpcInstance npc = (L2NpcInstance) obj;

                        if (npc == null || getAttackTarget() == null || faction_id != npc.getFactionId())
                            continue;

                        // Check if the L2Object is inside the Faction Range of the actor
                        if (_actor.isInsideRadius(npc, npc.getFactionRange(), true, false)
                            && GeoData.getInstance().canSeeTarget(_actor, npc)
                            && Math.abs(getAttackTarget().getZ() - npc.getZ()) < 600
                            && npc.getAI() != null
                            && _actor.getAttackByList().contains(getAttackTarget())
                            && (npc.getAI()._intention == CtrlIntention.AI_INTENTION_IDLE
                            || npc.getAI()._intention == CtrlIntention.AI_INTENTION_ACTIVE))
                        {
                            if (getAttackTarget() instanceof L2PcInstance
                                && getAttackTarget().isInParty()
                                && getAttackTarget().getParty().isInDimensionalRift())
                            {
                                byte riftType = getAttackTarget().getParty().getDimensionalRift().getType();
                                byte riftRoom = getAttackTarget().getParty().getDimensionalRift().getCurrentRoom();

                                if (_actor instanceof L2RiftInvaderInstance
                                    && !DimensionalRiftManager.getInstance().getRoom(riftType, riftRoom).checkIfInZone(npc.getX(), npc.getY(), npc.getZ()))
                                    continue;
                            }

                            // Notify the L2Object AI with EVT_AGGRESSION
                            npc.getAI().notifyEvent(CtrlEvent.EVT_AGGRESSION, getAttackTarget(), 1);
                        }
                    }
                }
            }

            if(_actor.isAttackingDisabled()) return;

            // Get all information needed to chose between physical or magical attack
            L2Skill[] skills = null;
            double dist2 = 0;
            int range = 0;

            try
            {
                _actor.setTarget(getAttackTarget());
                skills = _actor.getAllSkills();
                dist2 = _actor.getPlanDistanceSq(getAttackTarget().getX(), getAttackTarget().getY());
                range = _actor.getPhysicalAttackRange() + _actor.getTemplate().collisionRadius + getAttackTarget().getTemplate().collisionRadius;
            }
            catch (NullPointerException e)
            {
                //_log.warning("AttackableAI: Attack target is NULL.");
                setIntention(AI_INTENTION_ACTIVE);
                return;
            }

            L2Weapon weapon = _actor.getActiveWeaponItem();
            if (weapon != null && weapon.getItemType() == L2WeaponType.BOW)
            {
                // Micht: kepping this one otherwise we should do 2 sqrt
                double distance2 = _actor.getPlanDistanceSq(getAttackTarget().getX(), getAttackTarget().getY());
                if (distance2 <= 10000)
                {
                    int chance = 5;
                    if (chance >= Rnd.get(100))
                    {
                        int posX = _actor.getX();
                        int posY = _actor.getY();
                        int posZ = _actor.getZ();
                        double distance = Math.sqrt(distance2); // This way, we only do the sqrt if we need it

                        int signx=-1;
                        int signy=-1;
                        if (_actor.getX()>getAttackTarget().getX())
                            signx=1;
                        if (_actor.getY()>getAttackTarget().getY())
                            signy=1;
                        posX += Math.round((float)((signx * ((range / 2) + (Rnd.get(range)))) - distance));
                        posY += Math.round((float)((signy * ((range / 2) + (Rnd.get(range)))) - distance));
                        setIntention(CtrlIntention.AI_INTENTION_MOVE_TO, new L2CharPosition(posX, posY, posZ, 0));
                        return;
                    }
                }
            }

            // Force mobs to attack anybody if confused
            L2Character hated;
            if (_actor.isConfused()) hated = getAttackTarget();
            else hated = ((L2Attackable) _actor).getMostHated();

            if (hated == null)
            {
                setIntention(AI_INTENTION_ACTIVE);
                return;
            }
            if (hated != getAttackTarget())
            {
                setAttackTarget(hated);
            }
            // We should calculate new distance cuz mob can have changed the target
            dist2 = _actor.getPlanDistanceSq(hated.getX(), hated.getY());

            if (hated.isMoving()) range += 50;
            // Check if the actor isn't far from target
            if (dist2 > range*range)
            {
                // check for long ranged skills and heal/buff skills
                if (!_actor.isMuted() &&
                	(!Config.ALT_GAME_MOB_ATTACK_AI || (_actor instanceof L2MonsterInstance && Rnd.nextInt(100) <= 5))
                   )
                    for (L2Skill sk : skills)
                    {
                        int castRange = sk.getCastRange();

                        if (((sk.getSkillType() == L2Skill.SkillType.BUFF || sk.getSkillType() == L2Skill.SkillType.HEAL) || (dist2 >= castRange * castRange / 9.0)
                            && (dist2 <= castRange * castRange) && (castRange > 70))
                            && !_actor.isSkillDisabled(sk.getId())
                            && _actor.getCurrentMp() >= _actor.getStat().getMpConsume(sk)
                            && !sk.isPassive()
                            && Rnd.nextInt(100) <= 5)
                        {
                            L2Object OldTarget = _actor.getTarget();
                            if (sk.getSkillType() == L2Skill.SkillType.BUFF
                                || sk.getSkillType() == L2Skill.SkillType.HEAL)
                            {
                                boolean useSkillSelf = true;
                                if (sk.getSkillType() == L2Skill.SkillType.HEAL
                                    && _actor.getCurrentHp() > (int) (_actor.getMaxHp() / 1.5))
                                {
                                    useSkillSelf = false;
                                    break;
                                }
                                if (sk.getSkillType() == L2Skill.SkillType.BUFF)
                                {
                                    L2Effect[] effects = _actor.getAllEffects();
                                    for (int i = 0; effects != null && i < effects.length; i++)
                                    {
                                        L2Effect effect = effects[i];
                                        if (effect.getSkill() == sk)
                                        {
                                            useSkillSelf = false;
                                            break;
                                        }
                                    }
                                }
                                if (useSkillSelf) _actor.setTarget(_actor);
                            }

                            clientStopMoving(null);
                            _accessor.doCast(sk);
                            _actor.setTarget(OldTarget);
                            return;
                        }
                    }

                // Move the actor to Pawn server side AND client side by sending Server->Client packet MoveToPawn (broadcast)
                if (hated.isMoving()) range -= 100; if (range < 5) range = 5;
                moveToPawn(getAttackTarget(), range);
                return;
            }
            // Else, if this is close enough to attack
            else
            {
                _attackTimeout = MAX_ATTACK_TIMEOUT + GameTimeController.getGameTicks();

                // check for close combat skills && heal/buff skills
                if (!_actor.isMuted() /*&& _rnd.nextInt(100) <= 5*/)
                {
                	boolean useSkillSelf = true;;
                    for (L2Skill sk : skills)
                    {
                        if (/*sk.getCastRange() >= dist && sk.getCastRange() <= 70 && */!sk.isPassive()
                            && _actor.getCurrentMp() >= _actor.getStat().getMpConsume(sk)
                            && !_actor.isSkillDisabled(sk.getId()) && (Rnd.nextInt(100) <= 8
                            || (_actor instanceof L2PenaltyMonsterInstance && Rnd.nextInt(100) <= 20)))
                        {
                            L2Object OldTarget = _actor.getTarget();
                            if (sk.getSkillType() == L2Skill.SkillType.BUFF
                                || sk.getSkillType() == L2Skill.SkillType.HEAL)
                            {
                                useSkillSelf = true;
                                if (sk.getSkillType() == L2Skill.SkillType.HEAL
                                    && _actor.getCurrentHp() > (int) (_actor.getMaxHp() / 1.5))
                                {
                                    useSkillSelf = false;
                                    break;
                                }
                                if (sk.getSkillType() == L2Skill.SkillType.BUFF)
                                {
                                    L2Effect[] effects = _actor.getAllEffects();
                                    for (int i = 0; effects != null && i < effects.length; i++)
                                    {
                                        L2Effect effect = effects[i];
                                        if (effect.getSkill() == sk)
                                        {
                                            useSkillSelf = false;
                                            break;
                                        }
                                    }
                                }
                                if (useSkillSelf) _actor.setTarget(_actor);
                            }
                            // GeoData Los Check here
                            if (!useSkillSelf && !GeoData.getInstance().canSeeTarget(_actor, _actor.getTarget()))
                                return;
                            clientStopMoving(null);
                            _accessor.doCast(sk);
                            _actor.setTarget(OldTarget);
                            return;
                        }
                    }
                }

                // Finally, physical attacks
           		clientStopMoving(null);
           		_accessor.doAttack(hated);
            }
        }
    }

    /**
     * Manage AI thinking actions of a L2Attackable.<BR><BR>
     */
    @Override
	protected void onEvtThink()
    {
        // Check if the actor can't use skills and if a thinking action isn't already in progress
        if (_thinking || _actor.isAllSkillsDisabled()) return;

        // Start thinking action
        _thinking = true;

        try
        {
            // Manage AI thinks of a L2Attackable
            if (getIntention() == AI_INTENTION_ACTIVE) thinkActive();
            else if (getIntention() == AI_INTENTION_ATTACK) thinkAttack();
        }
        finally
        {
            // Stop thinking action
            _thinking = false;
        }
    }

    /**
     * Launch actions corresponding to the Event Attacked.<BR><BR>
     *
     * <B><U> Actions</U> :</B><BR><BR>
     * <li>Init the attack : Calculate the attack timeout, Set the _globalAggro to 0, Add the attacker to the actor _aggroList</li>
     * <li>Set the L2Character movement type to run and send Server->Client packet ChangeMoveType to all others L2PcInstance</li>
     * <li>Set the Intention to AI_INTENTION_ATTACK</li><BR><BR>
     *
     * @param attacker The L2Character that attacks the actor
     *
     */
    @Override
	protected void onEvtAttacked(L2Character attacker)
    {
    	//if (_actor instanceof L2ChestInstance && !((L2ChestInstance)_actor).isInteracted())
    	//{
    		//((L2ChestInstance)_actor).deleteMe();
    		//((L2ChestInstance)_actor).getSpawn().startRespawn();
    		//return;
    	//}

        // Calculate the attack timeout
        _attackTimeout = MAX_ATTACK_TIMEOUT + GameTimeController.getGameTicks();

        // Set the _globalAggro to 0 to permit attack even just after spawn
        if (_globalAggro < 0) _globalAggro = 0;

        // Add the attacker to the _aggroList of the actor
        ((L2Attackable) _actor).addDamageHate(attacker, 0, 1);

        // Set the L2Character movement type to run and send Server->Client packet ChangeMoveType to all others L2PcInstance
        if (!_actor.isRunning()) _actor.setRunning();

        // Set the Intention to AI_INTENTION_ATTACK
        if (getIntention() != AI_INTENTION_ATTACK)
        {
            setIntention(CtrlIntention.AI_INTENTION_ATTACK, attacker);
        }
        else if (((L2Attackable) _actor).getMostHated() != getAttackTarget())
        {
            setIntention(CtrlIntention.AI_INTENTION_ATTACK, attacker);
        }

        super.onEvtAttacked(attacker);
    }

    /**
     * Launch actions corresponding to the Event Aggression.<BR><BR>
     *
     * <B><U> Actions</U> :</B><BR><BR>
     * <li>Add the target to the actor _aggroList or update hate if already present </li>
     * <li>Set the actor Intention to AI_INTENTION_ATTACK (if actor is L2GuardInstance check if it isn't too far from its home location)</li><BR><BR>
     *
     * @param attacker The L2Character that attacks
     * @param aggro The value of hate to add to the actor against the target
     *
     */
    @Override
	protected void onEvtAggression(L2Character target, int aggro)
    {
        L2Attackable me = (L2Attackable) _actor;

    	if (target != null)
        {
            // Add the target to the actor _aggroList or update hate if already present
            me.addDamageHate(target, 0, aggro);

            // Set the actor AI Intention to AI_INTENTION_ATTACK
            if (getIntention() != CtrlIntention.AI_INTENTION_ATTACK)
            {
                // Set the L2Character movement type to run and send Server->Client packet ChangeMoveType to all others L2PcInstance
                if (!_actor.isRunning()) _actor.setRunning();

                setIntention(CtrlIntention.AI_INTENTION_ATTACK, target);
            }
        }
    }

    @Override
	protected void onIntentionActive()
    {
        // Cancel attack timeout
        _attackTimeout = Integer.MAX_VALUE;
    	super.onIntentionActive();
    }

    public void setGlobalAggro(int value)
    {
    	_globalAggro = value;
    }
}
